These products can be used for a wide range of applications: vehicles, trailers, industrial equipment and machinery, farming equipment and domestic outdoor fittings and fixtures. This inert layer then acts as a barrier layer or protective coating.Ī rust converter eliminates the need to sandblast rust therefore less time and energy is involved in the process. Phosphoric acid converts iron oxide (rust) into an inert layer of iron phosphate, which is black in colour. The other ingredient added is an organic polymer, which serves to provide a protective primer layer to the substrate it is applied to. These differ between products available commercially containing either phosphoric acid or tannic acid, or a combination of both. Rust converters are a water-based chemical solution which contains two main active ingredients. The resulting inert compound which is produced offers some protection from further corrosion. Minimal s urface preparation is required prior to application. How a rust converter kills iron oxideĪ rust converter takes the iron oxide (rust) and converts it into a ferric phosphate. So lets discuss these two products and their mode of action. How effective is a rust converter? Very effective if you choose a rust converter that penetrates deep into the rust and you prepare the metal surface as per the product guidelines. These medium areas of iron oxide formation are where rust converters are best indicated. There may, however be vulnerable areas to the wheel wells, undercarriage, area around the windscreen or bumper where rust could appear. For any ageing car, regularly applying rust proofing will protect from corrosion. A rust converter is not designed to rust proof but rather the inert compound formed once rust is converted forms a barrier layer to corrosion. Many car enthusiasts will argue that rust converters don't work because they don't prevent rust. Knowing the difference between a rust converter and a rust remover and how each product works will help know how and when - or if at all - to apply them. The key difference between a rust converter and a rust remover is that one causes rust to separate away from the metal surface while the other converts rust to a stable compound.
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